APREPITANT (ap RE pi tant) is used with other medicines to prevent nausea and vomiting caused by cancer treatment (chemotherapy).
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Usually, you will take your first dose one hour before your chemotherapy begins, and then once daily in the morning for the next 2 days after your chemotherapy treatment. This medicine may be taken with or without food. Do not take more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 12 years for selected conditions, precautions do apply.
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
changes in heart rhythm
high or low blood pressure
serious dizziness or disorientation, confusion
sharp or severe stomach pain
sharp pain in your leg
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
constipation or diarrhea
loss of appetite
Do not take this medicine with any of these medicines:
This medicine may also interact with the following medications:
female hormones, like estrogens or progestins and birth control pills
medicines for fungal infections like ketoconazole and itraconazole
medicines for HIV
medicines for seizures or to control epilepsy like carbamazepine or phenytoin
medicines used for sleep or anxiety disorders like alprazolam, diazepam, or midazolam
some chemotherapy medications like etoposide, ifosfamide, vinblastine, vincristine
some antibiotics like clarithromycin, erythromycin, troleandomycin
steroid medicines like dexamethasone or methylprednisolone
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Keep out of the reach of children.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Throw away any unused medicine after the expiration date.
They need to know if you have any of these conditions:
an unusual or allergic reaction to aprepitant, fosaprepitant, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Do not take this medicine if you already have nausea and vomiting. Ask your health care provider what to do if you already have nausea.
Birth control pills and other methods of hormonal contraception (for example, IUD or patch) may not work properly while you are taking this medicine. Use an extra method of birth control during treatment and for 1 month after your last dose of aprepitant.
This medicine should not be used continuously for a long time.
Visit your doctor or health care professional for regular check-ups. This medicine may change your liver function blood test results.